lighting question.. would I need a ballast?

Furthur

Active Member
I'm looking into setting up a very small flood and drain system and I don't understand when a ballast is needed or not and if so how to connect it etc.

I want to use 2 high output 2 ft. T5 bulbs.

I found the "Hydrofarm T5 High Performance 2 Foot System" on a number of sites..

http://www.hydroponics.net/i/131360

http://www.ahigheryield.com/t5hipe2fosy.html

one of them lists it as reflector, fixture and bulb.

so.. do I need a ballast then?

http://store.homegrown-hydroponics.com/lg10090.html

that one looks similar, and it looks like it would function on its own but I still don't know and also it doesn't say if it would fit with T5's.

can anyone answer my questions about these products or offer me a better 2 foot T5 lighting solution?
 
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